Experimental validation of MDL emulation and estimation techniques for SDM transmission systems
Menno van den Hout, Ruby S. B. Ospina, Sjoerd van der Heide, Juan, Carlos Alvarado-Zacarias, Jose Enrique Antonio-L\'opez, Marianne, Bigot-Astruc, Adrian Amezcua Correa, Pierre Sillard, Rodrigo Amezcua-Correa,, Darli A. A. Mello, Chigo Okonkwo
TL;DR
This paper experimentally validates MDL estimation techniques for SDM transmission systems, demonstrating improved accuracy in MDL measurement using a correction factor with MMSE equalization.
Contribution
It introduces an MDL estimation method employing a correction factor to reduce dependence on SNR, validated through experimental results.
Findings
Reduced MDL estimation error with correction factor
Effective MDL emulation at transmitter and in-span
Enhanced accuracy of MDL measurement
Abstract
We experimentally validate a mode-dependent loss (MDL) estimation technique employing acorrection factor to remove the MDL estimation dependence on the SNR when using a minimum meansquare error (MMSE) equalizer. A reduction of the MDL estimation error is observed for both transmitter-side and in-span MDL emulation.
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